Science Fair Project Encyclopedia
Backwash
- For the album, see Backwash (album)
Backwash is the backwards flow of air or water. Backwash can be created naturally by waves rebounding off a beach or other obstacle. It is created by propulsion devices such as an oar or engine. Unlike a slipstream and backwash is harder to travel through than normal, and in sports such as rowing avoiding a competitors backwash is important.
The process of thoroughly cleaning a pool filter pump by reversing the flow of water through it with the dirt and rinse water going to waste.
See also: backwash filter
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details